/*
 * @Author: Clark
 * @Email: haixuanwoTxh@gmail.com
 * @Date: 2023-01-05 14:53:42
 * @LastEditors: Clark
 * @LastEditTime: 2023-01-05 14:52:52
 * @Description: file content
 */

#include "apue.h"

int main()
{
    printf("real uid = %d, effective uid = %d\n", getuid(), geteuid());
    exit(0);
}
